
package com.zsrt.day20170504.ch06;



public class PPT01 extends Thread{

	@Override
	public void run() {
		
		String str = "HelloWorld!";
		for(int i=0;i<str.length();i++){
			System.out.print(str.charAt(i));
		}
		
		try {
			//不释放
			sleep(100);
		} catch (InterruptedException e) {
		}
	}
	
	
}
